HEALTH AND DISEASE LATEST
EXAM GUIDE WITH OVER 200
EXAM POINTS UPDATED 2026
Benign tumor
Non cancerous and doesn't spread
Malignant rumor
Can spread and is cancerous
4 main types of tissues that compose the body's many organs :
Epithelial tissue
Connective tissue
Muscle tissue
Nervous tissue
Epithelial tissue
Forms sheets that cover or line the body
Connective tissue
,Provides structural and functional support
Muscle tissue
contracts to produce movement
Nervous tissue
Senses, conducts, and processes information
simple squamous epithelium
Single layer of flattened cells
Location: alveoli of lungs and lining of blood and lymphatic vessels
Functions: diffusion, filtration, and osmosis
stratified squamous epithelium
Many layers; outermost later is flattened cells
Location: surface of lining of mouth and esophagus
Function: protection
simple cuboidal epithelium
Single layer of cells that are cube shaped
Location: glands, kidney tubules, surface of skin
Function: secretion, absorption, protection
,simple columnar epithelium
Single layer of tall, narrow cells
Location: surface layer of lining of stomach, intestines, parts of respiratory
tract; lining of uterine tubes
Function: protection; secretion; transport (absorption)
Pseudostratified
Single layer of tall cells that wedge together to appear as if there are 2 or
more layers
Location: lining of portions of the respiratory tract; portion of the male
reproductive tract
Function: protection
stratified transitional epithelium
Many layers of varying shapes, capable of STRETCHING
Location: urinary bladder
Function: protection
Types of connective tissues
Fibrous
Bone
Cartilage
Blood
, Hematopoietic tissue
Areolar (loose fibrous)
Loose arrangement of collagen fibers, elastic fibers, and cells
Location: area between other tissues and organs (fascia)
Function: connection
Adipose (white and brown fat)
Cells contain triglyceride vesicles
Location : area under skin and pockets within white fat of neck and torso
Function : protection, insulation, support, nutrient reserve, regulation, heat
production (brown)
Reticular
Network of fine collagen (reticular) fibers
Location: bone marrow, spleen, lymph nodes
Function : supports blood producing cells and immune cells
Dense fibrous (regular and irregular )
Dense arrangement of collagen fiber bundles forming straps or sheets
Location : tendons, ligaments, skin fascia, scar tissue
Function: flexible but strong connection